OpenAI
Confidence: High (0.90)OpenAI publishes 1 cataloged MCP entry: 0 servers and 1 client.
AI lab behind ChatGPT and the Codex CLI, both MCP clients; MCP support also extends to the Responses API and Agents tooling.
Which MCP software does OpenAI publish?
1 cataloged entry is published by OpenAI: 0 MCP servers and 1 MCP client. Each carries its own verification date and sources.
Does OpenAI publish a first-party MCP server?
Not confirmed. No first-party MCP server from OpenAI is verified in this catalog yet.
OpenAI's MCP presence is on the client side of the protocol: ChatGPT consumes MCP servers through connectors and developer mode, the Codex CLI ships MCP protocol support in its releases, and the Responses API accepts MCP tools. MCP documentation lives on developers.openai.com.
MCP software published by OpenAI
| Name | Type | Spec status | Authority | Last verified |
|---|---|---|---|---|
| ChatGPT | client | Spec Support Unverified | - |
How was this verified, and what are the sources?
Verified · method: vendor-docs
· confidence 0.90 (High).
- GitHub organization openai via the GitHub API - name "OpenAI", site openai.com; hosts the codex repository whose releases carry MCP protocol work - accessed
- OpenAI MCP documentation on developers.openai.com - first-party docs for MCP in ChatGPT connectors, developer mode, and the Responses API - accessed